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110 lines
2.9 KiB
110 lines
2.9 KiB
var common = require('../common');
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var assert = require('assert');
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if (!common.hasCrypto) {
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console.log('1..0 # Skipped: missing crypto');
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process.exit();
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}
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var crypto = require('crypto');
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crypto.DEFAULT_ENCODING = 'buffer';
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/*
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* Input data
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*/
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var ODD_LENGTH_PLAIN = 'Hello node world!',
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EVEN_LENGTH_PLAIN = 'Hello node world!AbC09876dDeFgHi';
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var KEY_PLAIN = 'S3c.r.e.t.K.e.Y!',
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IV_PLAIN = 'blahFizz2011Buzz';
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var CIPHER_NAME = 'aes-128-cbc';
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/*
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* Expected result data
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*/
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// echo -n 'Hello node world!' | \
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// openssl enc -aes-128-cbc -e -K 5333632e722e652e742e4b2e652e5921 \
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// -iv 626c616846697a7a3230313142757a7a | xxd -p -c256
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var ODD_LENGTH_ENCRYPTED =
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'7f57859550d4d2fdb9806da2a750461a9fe77253cd1cbd4b07beee4e070d561f';
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// echo -n 'Hello node world!AbC09876dDeFgHi' | \
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// openssl enc -aes-128-cbc -e -K 5333632e722e652e742e4b2e652e5921 \
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// -iv 626c616846697a7a3230313142757a7a | xxd -p -c256
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var EVEN_LENGTH_ENCRYPTED =
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'7f57859550d4d2fdb9806da2a750461ab46e71b3d78ebe2d9684dfc87f7575b988' +
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'6119866912cb8c7bcaf76c5ebc2378';
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// echo -n 'Hello node world!AbC09876dDeFgHi' | \
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// openssl enc -aes-128-cbc -e -K 5333632e722e652e742e4b2e652e5921 \
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// -iv 626c616846697a7a3230313142757a7a -nopad | xxd -p -c256
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var EVEN_LENGTH_ENCRYPTED_NOPAD =
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'7f57859550d4d2fdb9806da2a750461ab46e' +
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'71b3d78ebe2d9684dfc87f7575b9';
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/*
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* Helper wrappers
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*/
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function enc(plain, pad) {
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var encrypt = crypto.createCipheriv(CIPHER_NAME, KEY_PLAIN, IV_PLAIN);
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encrypt.setAutoPadding(pad);
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var hex = encrypt.update(plain, 'ascii', 'hex');
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hex += encrypt.final('hex');
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return hex;
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}
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function dec(encd, pad) {
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var decrypt = crypto.createDecipheriv(CIPHER_NAME, KEY_PLAIN, IV_PLAIN);
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decrypt.setAutoPadding(pad);
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var plain = decrypt.update(encd, 'hex');
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plain += decrypt.final('binary');
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return plain;
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}
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/*
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* Test encryption
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*/
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assert.equal(enc(ODD_LENGTH_PLAIN, true), ODD_LENGTH_ENCRYPTED);
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assert.equal(enc(EVEN_LENGTH_PLAIN, true), EVEN_LENGTH_ENCRYPTED);
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assert.throws(function() {
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// input must have block length %
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enc(ODD_LENGTH_PLAIN, false);
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});
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assert.doesNotThrow(function() {
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assert.equal(enc(EVEN_LENGTH_PLAIN, false), EVEN_LENGTH_ENCRYPTED_NOPAD);
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});
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/*
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* Test decryption
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*/
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assert.equal(dec(ODD_LENGTH_ENCRYPTED, true), ODD_LENGTH_PLAIN);
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assert.equal(dec(EVEN_LENGTH_ENCRYPTED, true), EVEN_LENGTH_PLAIN);
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assert.doesNotThrow(function() {
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// returns including original padding
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assert.equal(dec(ODD_LENGTH_ENCRYPTED, false).length, 32);
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assert.equal(dec(EVEN_LENGTH_ENCRYPTED, false).length, 48);
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});
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assert.throws(function() {
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// must have at least 1 byte of padding (PKCS):
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assert.equal(dec(EVEN_LENGTH_ENCRYPTED_NOPAD, true), EVEN_LENGTH_PLAIN);
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});
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assert.doesNotThrow(function() {
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// no-pad encrypted string should return the same:
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assert.equal(dec(EVEN_LENGTH_ENCRYPTED_NOPAD, false), EVEN_LENGTH_PLAIN);
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});
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